Percussa micro super signal processor

Dan writes:

Please pass on as many links as you possibly can think of for a beginning VJer who is currently stuck in hospital for a time – lots of time to play and practice and learn through tutorials etc.
any help appreciated.

Excellent question! So, let’s help him out — any suggestions, folks? Heck, it’s worth compiling a list of “rainy day” tutorials we’d all like to work on when any circumstance (long plane flights, etc.) give us some time. Ideas?